Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation) (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation) (Details) - Fair Value, Recurring - Warrants Liability - Level 3 - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Beginning of the year $ 499 $ 413 $ 389
Additions 18,427 0 0
Change in fair value 1,616 86 24
Conversion of Legacy Innovid Warrants on the Closing of the Transaction (5,080) 0 0
End of the year $ 15,462 $ 499 $ 413